Method of jointing shells of barrels and casks or parts thereof



April 28, 1925. 1,535,518

E, A. BOLINDER METHOD OF JOINTING SHELLS OF BARRELS AND CASKS 0R PARTS THEREOF -Fi1ed June 25. 1920 2T- 51-2. If" g: g.

Invenb'az" EA 130 l/ilzdl:

' Patented Apr. 28, 1925.

UNITED STATES, PAT NT" OFFICE.

nniK AUeusr BoLiNnnn, orsrocKHonM, SWEDEN.

METHOD or .i'ornrine SHELLS or BARRELS AND CASKS on PARTS THEREOF.

Application filed. June 25 1920. Serial No. 391,725.

To aZZ whom it may concemz:

Be it known that I, ERIK AUGUST BOLIN nan, subject of the King of Sweden, residing at Jaktvarvsgrand 4, StockhohhQSweden,

. haveinvented certainnew and useful Inn provements in Methods of J ointing Shells ofBarrels andCasks or Parts Thereof, of which the following is a specification.

of making barrels and casks, and particularly bears on that stage of the "process which consists in jointing the shell or parts thereof, or in fillingthe space or opening in the shell which is still to be filled up after all of the st-aves but the last one have been brougl'it onto each other or joined in some wayor other.

The method, which is exceedingly simple and effective, is applicableto barrels and casks of all kinds, cylindrical as well as bulging ones, but it is best suited for the latter type of barrel. If bulging barrels and casks are built up from tongued staves slid onto each other in the longitudinal direction, the peculiar state of things is met with that the last stave in the wall of the barrel cannot be simply slid into its place, the space remaining in the shell of the barrel after the latter has been nearly completed being wilder at the middle than at the ends thereo The method aimed at by the invention is primarily characterized by this that the shell of the barrel is provided in one or more places with an opening or interstice with parallel or nearly parallel edges having dove-tailed or similarly shaped tongues between which is slid a rail correspondingly shaped and tenoned so as to cause the tongued'parts thereof to engage with the grooved-parts of the barrel shell.

The method may be carried into effect in various Ways. For example, the said connecting rail may be made of a thickness equal to that of the wall of the barrel, that is to say, it may be made and secured so that the outer and inner sides thereof will be flush with the outer and inner sides of the barrel, or the rail may be made not quite as thick as the wall of the barrel and slid into the outer or inner half-part of the thickness of the wall, that is to say, so that the outside or the inside of the rail will be flush with the outside or the inside of the barrel, or the rail may he slid into a dove tailed cavity which is enclosed by the wall or shell of the barrel in such a manner that it will not reach either the outside or the inside thereof; l

I with an interstice or opening having con- The present invention relates to a method tinuous parallel edges with a railinserted thereb'etween. Figs; 2 and 3show in elevation and a bottom plan view respectively, a barrel built up by applying the method as setforth. Figs. 4, 5 and 6 illustrate modifications of the method.

According to Figs. 13,t-he method is applied in making a bulging barrel, the staves of which are provided with dovetailed tongues and grooves and connected with one another by sliding the tongued and grooved parts longitudinally into each other. When the staves of such a barrel but one have been joined in the manner set forth, there remains according to Fig. 2 a space 1 between the two outermost staves, which space is wider at the middle than at the ends there of, in accordance with the shape of the last stave. Obviously, it cannot be undertaken to insert a whole stave of the ordinary shape into the space thus formed. To fill the said space, the present invention is applied as follows. 'According to the example shown, the stave which is to fill the space in question comprises two parts which, with their edges extending after continuous curves, fit into the edges of the two last staves in the barrel shell so that they may be slid into engagement therewith in a longitudinal direction. The edges of the parts 2 facing each other are parallel, that is'to say, according to the invention, there is between them an interstice in the shell of the barrel.

Fitting into this interstice is a rail 4, the width of which corresponds With the width of the interstice, while theedges thereof are tongued or grooved in a dove-tail fashion in correspondence with the groove or tongue at the edges of the interstice. Thus the rail may slide into the interstice without any l1indra11ce,and this having been done the shell of the barrel is completely closed.

Before sliding in the rail it is arched, preferably after a circular are, so as to be capable of being slid in without resistance, but if the rail can be made from a flexible it before it is slid in place, as the rail may,

by reason. of. the fiexibilitythereof, assume the archedshape when being slid in place.

Such rails may evidently be slid into the barrel shell in more than one place. In the embodiment shown in Fig. 3 there are thus two rails 4L inserted in diametrically opposed places. the practical advantage is attained, that it will be possible to manufacture the barrel shells in halves which, lying in each other so as to occupy a small space,.1na-ybe transported to the place where they are tobe used and subsequentlyput together by sliding inthe rails 4.

In the modified method according to Fig. 4L, the cross section of the rail only takes up part of the thickness of the barrel shell, as will be seen ,fromthe drawing, its outer side coinciding with the outside of the. shell. Ac-

cording to Fig. 5 the rails are so arranged that they Willnotreach either the outside or the inside of the barrel shell. The latter By the latter arrangement embodiment and other embodiments may obviously be applied: so that a rail may be inserted between each stave in the barrel.

What I claim as new and desire to secure by Letters Patent of the United States is A method of jointing shells of barrels having a'di'ameterlargenat its middle portion thanv at theends consisting in providing parallel edges of the shell with interlocking means forminga rail and providing the same with complemental interlocking edges then-inserting the rail between said parallel edges'and finally slidingthe rail longitudinally ofv the edges to effect locking engagement of the rail to the edges of the shell.

In testimony whereofl affix-my signature in presence of. two witnesses.

ERIK AUGUST BOLINDER. Witnesses:

KNUD DAI-ILQUIST, LINNsnY S. NnsmN. 

